[Bug target/93934] Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Feb 26 09:12:00 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|missed-optimization         |wrong-code

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
But does the load trap?  I would expect fcmov also to not trap on sNaNs since
it's a move instruction?


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